Proximity Mini 125KHz Smart Android Tablet RFID Card Reader
Product Overview
The DO-09M is a compact 125KHz proximity RFID card reader designed for direct integration with Android tablets and USB-host devices. Built for industrial access control, automated parking management, and personnel identification systems, this reader delivers consistent read performance in a small-footprint enclosure. System integrators and project contractors choose the DO-09M when they need a reliable, low-power RFID reader that connects via Micro USB and works immediately with Android-based terminals without external power adapters.
For wholesale distributors and OEM buyers, the DO-09M solves a common deployment problem: how to add proximity card reading capability to existing Android tablets or kiosks. Instead of deploying separate reader hardware with dedicated power supplies, integrators can connect this reader directly to a tablet USB port and begin card reading immediately. This reduces installation complexity, lowers per-station hardware cost, and simplifies long-term maintenance for large-scale rollouts.
Key Features
- 125KHz operating frequency for standard EM4100 and compatible proximity cards
- Micro USB interface for direct connection to Android tablets, smartphones, and USB-host devices
- Read range up to 80mm (0–80mm), reliable for contactless card reading at close proximity
- Ultra-compact enclosure: 115 × 75.5 × 16.8 mm, suitable for space-constrained installations
- Low power consumption: 70mA working current at DC 5V, ideal for battery-powered or USB-powered terminals
- Card read speed of 0.2 seconds per card, supporting fast user throughput in access lanes
- Wide operating temperature range: -25°C to 75°C, allowing deployment in indoor and semi-outdoor environments
- Operating humidity tolerance: 10% to 90%, suitable for varied climate conditions
- White enclosure color for clean integration with kiosk and tablet setups
- Plug-and-play operation with Android USB host mode, no additional drivers required for basic card reading
Technical Specifications
| Model Number | DO-09M |
| Product Name | Proximity Mini 125KHz Smart Android Tablet RFID Card Reader |
| Frequency | 125 KHz |
| Interface | Micro USB (USB host mode) |
| Read Range | 0 – 80 mm (up to 10 cm max) |
| Card Read Speed | 0.2 seconds per card |
| Working Voltage | DC 5V (supplied via USB) |
| Working Current | 70 mA |
| Dimensions | 115 × 75.5 × 16.8 mm |
| Color | White |
| Operating Temperature | -25°C to 75°C |
| Operating Humidity | 10% to 90% |
Industrial Applications
The DO-09M is deployed across several commercial and industrial identification scenarios. Its primary application is as a wired proximity reader for Android-based access control terminals, kiosks, and self-service stations. Common use cases include:
- Automated parking management systems – Installed at entry and exit lanes where drivers present proximity cards for access authentication. The USB interface simplifies integration with Android-based parking terminals.
- Personnel identification and access control – Used in office buildings, factories, and restricted areas where employees present 125KHz proximity cards. The compact size allows mounting directly onto tablet enclosures or wall plates.
- Production access control – Deployed on factory floors where workers need quick card-based entry to production zones. The fast 0.2-second read speed supports high-traffic throughput.
- Self-service kiosks – Integrated into rental kiosks, check-in terminals, or visitor management stations where users authenticate with a proximity card before service delivery.
- RFID Radio Frequency Identification systems – Used as a general-purpose 125KHz reader for legacy proximity card systems that require USB connectivity instead of traditional Wiegand or RS232 interfaces.
Why System Integrators and Wholesalers Choose the DO-09M
System integrators working on access control projects select the DO-09M because it eliminates the need for separate controller boards and power supplies when the host device is an Android tablet. This reduces both hardware cost and deployment labor. For parking management contractors, the Micro USB interface means they can pair this reader with any Android tablet already deployed at entry stations, ensuring compatibility across their existing infrastructure.
Wholesale buyers and distributors benefit from the DO-09M’s stable production volume. As a factory-produced item with consistent batch performance, bulk orders can be fulfilled with identical electrical and mechanical specifications across thousands of units. This is critical for project contractors who need every reader in a large-scale deployment to behave identically. For OEM customers, the compact enclosure and standard USB interface make it straightforward to integrate into custom kiosk designs or branded access terminals.
The DO-09M solves a recurring commercial problem: how to add proximity card reading to Android-based systems without engineering custom hardware. Instead of building a dedicated reader module, project teams simply connect this reader via USB and integrate card data at the application layer. This saves weeks of development time and removes hardware compatibility risk from project planning.
OEM / ODM Manufacturing Support
do rfid reader manufacturer supports OEM and ODM customization for the DO-09M. Bulk buyers can request custom enclosure colors, logo printing, packaging design, and firmware adjustments for specific card data formats. For industrial project contractors who need the reader to output raw card data in a specific byte order or baud rate, firmware customization is available at the factory level.
OEM customization includes:
- Enclosure color and surface finish modifications
- Custom branding and logo silkscreening on the reader housing
- Packaging design tailored to retail or bulk shipment requirements
- Firmware adjustments for card data format, output timing, or read interval
- Cable and connector modifications for non-USB interface requirements
ODM projects are supported through the factory’s existing production lines. Buyers with sufficient order volume can request design modifications to the enclosure shape, mounting bracket configuration, or electrical interface. The factory maintains established mold and tooling capabilities for 125KHz reader modules, reducing NRE costs and lead time for custom variants.
Factory Production Advantages for Bulk Supply
The do rfid reader manufacturer operates dedicated production lines for 125KHz proximity readers, ensuring stable output for wholesale and project-based orders. Bulk purchasing customers receive consistent batch quality because every unit undergoes the same assembly process, component sourcing, and functional test routine. For distributors supplying national access control chains, this batch consistency directly reduces field failures and return rates.
Production capacity supports orders ranging from small sample quantities to large-scale project deployments. Typical lead time for bulk orders is 7 to 30 days depending on quantity and customization requirements. Sample orders can ship within 1 to 5 days, allowing project evaluators to test the DO-09M in their specific environment before committing to volume.
For long-term supply agreements, the factory maintains component inventory for the key electronic parts used in the DO-09M, reducing the risk of supply chain disruptions. This is especially important for system integrators who have multi-year maintenance contracts and need guaranteed reader availability for replacements and expansion phases.
Quality inspection is performed at the factory before packing. Each reader is tested for read range, frequency accuracy, current draw, and USB communication integrity. This reduces the inspection burden on wholesale buyers and enables direct shipment to project sites without additional testing.
FAQ
Q: What type of cards does the DO-09M read?
A: The DO-09M reads standard 125KHz EM4100 and compatible proximity cards, including EM4102, TK4100, and similar 125KHz read-only cards. It does not read 13.56MHz Mifare or HID cards.
Q: Can the DO-09M be used with iOS tablets?
A: The DO-09M uses Micro USB and operates via USB host mode. It is designed primarily for Android tablets and devices that support USB host. iOS devices typically do not support direct USB card reader input without additional hardware.
Q: What is the maximum read distance for the DO-09M?
A: The maximum read distance is 80mm (0–80mm) under standard conditions, with typical reliable reading up to 10cm depending on card type and environmental interference.
Q: Is the DO-09M weatherproof?
A: The DO-09M is designed for indoor and semi-outdoor use within its operating temperature range (-25°C to 75°C) and humidity range (10%–90%). It is not waterproof and should not be exposed to direct rain or immersion.
Q: Can I get a sample before placing a bulk order?
A: Yes, sample orders are available. Typical sample preparation takes 1 to 5 days. The buyer covers the shipping cost, and the sample unit is provided free of charge.
Q: What payment terms are available for bulk orders?
A: Payment options include T/T, PayPal, and Western Union. Trade Assurance is supported for verified orders.
Q: How is the DO-09M shipped for international orders?
A: We ship via DHL, FedEx, TNT, UPS, and EMS for express delivery. Sea and air freight are available for large-volume orders. Buyers can also arrange their own shipping forwarder.
Q: What warranty is provided for the DO-09M?
A: The DO-09M carries a 2-year warranty against manufacturing defects. Damage caused by improper use, modification, or external factors is not covered. Repair services are available after warranty expiration with applicable charges.
Contact for OEM Customization and Bulk Orders
For detailed technical specifications, OEM customization requests, wholesale pricing, or project integration support, contact the do rfid reader manufacturer directly. Bulk buyers, system integrators, and distributors are welcome to request a quote for their specific deployment size.
Email: info@dorfidreader.com